Soldering iron main body



FIG. 1 is a perspective view of a soldering iron main body;

FIG. 2 is a front view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a soldering iron main body, as shown and described. 